From 8da574cf8f30f69e47f76705aa2eb07000540aeb Mon Sep 17 00:00:00 2001
From: Alexey Brodkin <abrodkin@synopsys.com>
Date: Mon, 21 Feb 2022 18:28:00 +0300
Subject: [PATCH] Add support for ARC processors

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
 CMakeLists.txt                       | 4 +++-
 Source/JavaScriptCore/CMakeLists.txt | 3 ++-
 Source/WTF/wtf/Platform.h            | 8 ++++++++
 Source/WTF/wtf/dtoa/utils.h          | 2 +-
 Source/cmake/OptionsQt.cmake         | 4 ++++
 5 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31a2ea1fd..f0dfbda5b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,7 +57,9 @@ if (MSVC_CXX_ARCHITECTURE_ID)
 else ()
     string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
 endif ()
-if (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
+if (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arc")
+    set(WTF_CPU_ARC 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
     set(WTF_CPU_ARM 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
     set(WTF_CPU_ARM64 1)
diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
index 937b3ed00..205dde288 100644
--- a/Source/JavaScriptCore/CMakeLists.txt
+++ b/Source/JavaScriptCore/CMakeLists.txt
@@ -1275,7 +1275,8 @@ if (ENABLE_WEB_REPLAY)
     list(APPEND JavaScriptCore_HEADERS ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}/JSReplayInputs.h)
 endif ()
 
-if (WTF_CPU_ARM)
+if (WTF_CPU_ARC)
+elseif (WTF_CPU_ARM)
 elseif (WTF_CPU_ARM64)
 elseif (WTF_CPU_ALPHA)
 elseif (WTF_CPU_HPPA)
diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index 5717f3ea1..b327ed693 100644
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -349,6 +349,14 @@
 
 #endif /* ARM */
 
+/* CPU(ARC) - ARC */
+#if defined(__arc__)
+#define WTF_CPU_ARC 1
+#if defined(__BIG_ENDIAN__)
+#define WTF_CPU_BIG_ENDIAN 1
+#endif
+#endif
+
 #if CPU(ARM) || CPU(MIPS) || CPU(SH4) || CPU(ALPHA) || CPU(HPPA)
 #define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
 #endif
diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
index 889642cee..8f1e9933e 100644
--- a/Source/WTF/wtf/dtoa/utils.h
+++ b/Source/WTF/wtf/dtoa/utils.h
@@ -49,7 +49,7 @@
 defined(__ARMEL__) || \
 defined(_MIPS_ARCH_MIPS32R2)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
+#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(ARC)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__)
 #if defined(_WIN32)
diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
index ec6081de0..e1a5efc1e 100644
--- a/Source/cmake/OptionsQt.cmake
+++ b/Source/cmake/OptionsQt.cmake
@@ -365,6 +365,10 @@ if (MINGW AND CMAKE_SIZEOF_VOID_P EQUAL 8)
     WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_JIT PRIVATE OFF)
 endif ()
 
+if (WTF_CPU_ARC)
+    WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_JIT PRIVATE OFF)
+endif ()
+
 WEBKIT_OPTION_CONFLICT(USE_GSTREAMER USE_QT_MULTIMEDIA)
 WEBKIT_OPTION_CONFLICT(USE_GSTREAMER USE_MEDIA_FOUNDATION)
 WEBKIT_OPTION_CONFLICT(USE_QT_MULTIMEDIA USE_MEDIA_FOUNDATION)
-- 
2.25.1

